MyMathKidK-8 Curriculum

Kindergarten Counting: Counting to 50

Count higher numbers up to 50

What You'll Learn

Count from 1 to 50
Recognize decade numbers (10, 20, 30, 40, 50)
Fill in missing numbers in sequences

📖Counting Higher

After 20, we keep going: 21, 22, 23... all the way to 50! Each group of 10 is called a decade.

💡

Notice the pattern: 21, 22, 23... is just like 1, 2, 3... but with a 2 in front!

Worked examples

Real problems from the practice worksheets, solved one step at a time.

Example 1
17,18,19,20, , ,23,24
Fill in the missing numbers
1. This is a counting pattern — each number changes by the same amount.
2. The numbers go up by 1 each time.
3. Add 1 to fill each blank. The missing numbers: 21, 22.
Answer: 21, 22
Example 2
21,22, , ,25,26,27,28
Fill in the missing numbers
1. This is a counting pattern — each number changes by the same amount.
2. The numbers go up by 1 each time.
3. Add 1 to fill each blank. The missing numbers: 23, 24.
Answer: 23, 24
Example 3
24,25,26,27,28, ,30,
Fill in the missing numbers
1. This is a counting pattern — each number changes by the same amount.
2. The numbers go up by 1 each time.
3. Add 1 to fill each blank. The missing numbers: 29, 31.
Answer: 29, 31

Practice Worksheets

Counting to 50 (Set A)

Learn to count within 50

Counting to 50 (Set B)

More practice counting to 50

Counting to 50 (Set C)

Additional counting practice to 50

Counting to 50 (Set D)

Keep practicing counting to 50

Counting to 50 (Set E)

Master counting to 50

Counting to 100